Perhaps you should try some spelling variations:
yang minh » sang minh, yang mind, kang minah
dan data » can data, dan dana, dn data
data can » ata can, data case
can yang » dan yang, tan yang, chen yang
wang » wing, wan, lang
hong » long
kong » long, pong, ong
cong » congo, long, pong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (((hong kong) or (fang sheng)))) dan data can yang minh cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (((hong kong) OR (fang sheng)))) dan data can yang minh cong shu ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (((hong kong) or (fang sheng)))) dan data can yang minh cong shu ;*.